Portion of a tool housing



FIG. 1 is a perspective view of a portion of a tool housing according to an embodiment of the present invention;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines shown herein are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a tool housing, as shown and described. 